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Patent US2873841A successfully refreshed from Google Patents.
US2873841A
Expired / Lapsed
US
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Orientating apparatus
Assignee: WF and John Barnes Co
•
Filing: 1956-04-05
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Granted: 1959-02-17
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Expires: 1976-04-05
Abstract
No abstract record available.
Inventors
- 👤 Clarence J Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:17
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/02; B65G47/04; B65G47/12; B65G47/14; B65G47/1492
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1696715A
Cited
US1886896A
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DE712343C
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US2270713A
Cited
US2392509A
Cited
US2671550A
Cited
US2583707A
Cited
US2704146A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |